CALVIN JR.

Oil · District 3 · Lease #22245

Operator: TRIVISTA OPERATING LLC

Cum Oil

15k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-12 — 2026-03

Peak Month

1994-01

Production History

Cum Oil: 14,740 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

191 BBL/mo

Di (annual)

21.3%

b-factor

0.3

EUR

14,818 BBL

R-squared

0.822

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SOUTH TEXAS DRILLING & EXPL, INC15,7001993-11-10
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